#Watch Chicago Fire Online: Season 9 Episode 9

Did Mouch, Gallo, Ritter, and Mackey prove to be forces in Firehouse 51?

On Chicago Fire Season 9 Episode 9, things took a turn when it emerged that they had to return to training.

Meanwhile, a nasty blow to the head brought Casey unimaginable pain as he tried to seek help.

Did he get some much-needed leave from Firehouse 51?

Use the video above to watch Chicago Fire online right here via TV Fanatic.

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Paul Dailly is the Associate Editor for TV Fanatic. Follow him on Twitter.